<div class="row">
    <div class="col-xs-12">
        <div class="row">
            <div class="col-xs-12">
                <h3>从 Some Service获得字符</h3>
            </div>
        </div>
        <div class="row">
            <div class="col-xs-12">
                <div class="row" ng-if="errorMessage != ''">
                    <div class="col-xs-12">
                        <p class="bg-danger text-center">
                            <span ng-bind="errorMessage"></span>
                        </p>
                    </div>
                </div>
            </div>

            <div class="col-xs-12">
                <button type="button" class="btn btn-default" ng-click="getSome()">获取</button>
                <div>
                    <label>{{str}}</label>
                </div>
            </div>
        </div>
    </div>
</div>
